diff --git a/phpBB/styles/prosilver/theme/content.css b/phpBB/styles/prosilver/theme/content.css
index 380b285b83..85c3cb9f4c 100644
--- a/phpBB/styles/prosilver/theme/content.css
+++ b/phpBB/styles/prosilver/theme/content.css
@@ -513,7 +513,6 @@ blockquote .codebox {
 	display: block;
 	height: auto;
 	max-height: 200px;
-	white-space: normal;
 	padding-top: 5px;
 	font: 0.9em Monaco, "Andale Mono","Courier New", Courier, mono;
 	line-height: 1.3em;